MESON Chess Problem Database

Problem Display
PID: 252543 (7b/5R2/2KPp1p1/4k1Pn/P3N3/P1N3p1/2P2p1p/B4n2 w - - 0 1)

Kupper, Josef

Schweizerische Schachzeitung, 2004

7b/5R2/2KPp1p1/4k1Pn/P3N3/P1N3p1/2P2p1p/B4n2

#4

10 + 9

SOLUTION

  • SOUND
  • Keys
    • 1.Rf3!
      • threat
        • 2.Sxg3
          • threat
            • 3.Sb1#
            • 3.Sd1#
            • 3.Sa2#
            • 3.Sce2#
            • 3.Sce4#
            • 3.Sb5#
            • 3.Sd5#
          • 2...Kd4
            • 3.Sd5+
              • 3...Kc4
                • 4.Sb6#
          • 2...Sfxg3
            • 3.Sb1+
              • 3...Ke4
                • 4.Sd2#
          • 2...Shxg3
            • 3.Sd5+
              • 3...Ke4
                • 4.Rf4#
      • 1...Kd4
        • 2.Sd2
          • threat
            • 3.Scb1#
            • 3.Sd1#
            • 3.Sa2#
            • 3.Se2#
            • 3.Sce4#
            • 3.Sb5#
            • 3.Sd5#
          • 2...Sxd2
            • 3.Sb1+
              • 3...Kc4
                • 4.Sxd2#
              • 3...Ke4
                • 4.Sxd2#
      • 1...h1Q
        • 2.Sxg3
          • threat
            • 3.Sb1#
            • 3.Sd1#
            • 3.Sa2#
            • 3.Sce2#
            • 3.Sce4#
            • 3.Sb5#
            • 3.Sd5#
          • 2...Qxf3+
            • 3.Sd5+
              • 3...Qc3+
                • 4.Bxc3#
          • 2...Kd4
            • 3.Sd5+
              • 3...Kc4
                • 4.Sb6#
          • 2...Sfxg3
            • 3.Sb1+
              • 3...Ke4
                • 4.Sd2#
          • 2...Shxg3
            • 3.Sd5+
              • 3...Ke4
                • 4.Rf4#
      • 1...h1S
        • 2.d7
          • threat
            • 3.Sd6
              • threat
                • 4.Sb1#
                • 4.Sd1#
                • 4.Sa2#
                • 4.Se2#
                • 4.Sce4#
                • 4.Scb5#
                • 4.Sd5#
              • 3...Kd4
                • 4.Sb1#
                • 4.Sd1#
                • 4.Sa2#
                • 4.Se2#
                • 4.Sce4#
                • 4.Scb5#
                • 4.Sd5#
          • 2...Kd4
            • 3.d8Q+
              • 3...Kc4
                • 4.Qd3#
              • 3...Ke5
                • 4.Qd6#
            • 3.Sd6
              • threat
                • 4.Sb1#
                • 4.Sd1#
                • 4.Sa2#
                • 4.Se2#
                • 4.Sce4#
                • 4.Scb5#
                • 4.Sd5#
              • 3...Ke5
                • 4.Sb1#
                • 4.Sd1#
                • 4.Sa2#
                • 4.Se2#
                • 4.Sce4#
                • 4.Scb5#
                • 4.Sd5#
          • 2...Sf4
            • 3.Sd5+
              • 3...Kxe4
                • 4.Rxf4#
              • 3...Kf5
                • 4.Rxf4#
          • 2...Sd2
            • 3.Sb1+
              • 3...Kxe4
                • 4.Sxd2#
          • 2...Sh2
            • 3.Sb1+
              • 3...Kxe4
                • 4.Sd2#
          • 2...Se3
            • 3.Sb1+
              • 3...Kxe4
                • 4.Sd2#
          • 2...Sf6
            • 3.Sd5+
              • 3...Kxe4
                • 4.Rf4#
            • 3.Sd6
              • threat
                • 4.Sb1#
                • 4.Sd1#
                • 4.Sa2#
                • 4.Se2#
                • 4.Sce4#
                • 4.Scb5#
                • 4.Sd5#
              • 3...Kd4
                • 4.Sb1#
                • 4.Sd1#
                • 4.Sa2#
                • 4.Se2#
                • 4.Sce4#
                • 4.Scb5#
                • 4.Sd5#
              • 3...Se4
                • 4.Scxe4#
              • 3...Sd5
                • 4.Sxd5#
          • 2...Sg7
            • 3.Sd5+
              • 3...Kxe4
                • 4.Rf4#
      • 1...g2
        • 2.Sg3
          • threat
            • 3.Sb1#
            • 3.Sd1#
            • 3.Sa2#
            • 3.Sce2#
            • 3.Sce4#
            • 3.Sb5#
            • 3.Sd5#
          • 2...Kd4
            • 3.Sd5+
              • 3...Kc4
                • 4.Sb6#
          • 2...Sfxg3
            • 3.Sb1+
              • 3...Ke4
                • 4.Sd2#
          • 2...Shxg3
            • 3.Sd5+
              • 3...Ke4
                • 4.Rf4#

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